James Hawkins : hhctrl.ocx: Check the filename param before dereferencing it.
Alexandre Julliard
julliard at winehq.org
Tue May 20 09:06:22 CDT 2008
Module: wine
Branch: master
Commit: 9f42e8eb63d5b69fd800c721972df21991b7fb1f
URL: http://source.winehq.org/git/wine.git/?a=commit;h=9f42e8eb63d5b69fd800c721972df21991b7fb1f
Author: James Hawkins <jhawkins at codeweavers.com>
Date: Tue May 20 00:40:27 2008 -0500
hhctrl.ocx: Check the filename param before dereferencing it.
---
dlls/hhctrl.ocx/hhctrl.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/dlls/hhctrl.ocx/hhctrl.c b/dlls/hhctrl.ocx/hhctrl.c
index a555a42..a224b64 100644
--- a/dlls/hhctrl.ocx/hhctrl.c
+++ b/dlls/hhctrl.ocx/hhctrl.c
@@ -108,6 +108,9 @@ HWND WINAPI HtmlHelpW(HWND caller, LPCWSTR filename, UINT command, DWORD_PTR dat
FIXME("Not all HH cases handled correctly\n");
+ if (!filename)
+ return NULL;
+
index = strstrW(filename, delimW);
if (index)
{
@@ -141,6 +144,9 @@ HWND WINAPI HtmlHelpW(HWND caller, LPCWSTR filename, UINT command, DWORD_PTR dat
HHInfo *info;
LPWSTR url;
+ if (!filename)
+ return NULL;
+
info = CreateHelpViewer(filename);
if(!info)
return NULL;
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